two of the children killed in newtown, connecticut, on friday have been laid to rest. mourners leaving the service for six-year-old noah pozner were told to keep his memory in their hearts, but hearts are strained to breaking by the senseless loss. at makeshift memorials, parents held their children and tried to comprehend 20 first graders murdered at sandy hook elementary school along with the six staff members who tried to save them. tonight we know more about how it happened and we have a team of correspondents on this tragedy. first we'll go to jim axelrod. >> reporter: at 1:00 this afternoon, the first two funerals began: one in newtown, the other 25 miles away. this woman spoke for many. >> you shouldn't be at a